Ilmenite
      Harrison R J, Redfern S A T
      Physics and Chemistry of Minerals 28 (2001) 399-412
      Short- and long-range ordering in the ilmenite-hematite solid solution
      Sample: ilm65, T = 209 C
      _database_code_amcsd 0008580

      CELL PARAMETERS:    5.0817   5.0817  13.9383   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    311.722
      Density (g/cm3):      4.937
      MAX. ABS. INTENSITY / VOLUME**2:      50.62631179    
      RIR:      3.339
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.91         24.77        3.7211    0   1   2         6
                32.78        100.00        2.7319    1   0   4         6
                35.32         67.53        2.5409    1   1   0         6
                40.46          6.31        2.2293    2  -1   3         6
                40.46         13.96        2.2293    1   1   3         6
                43.11          1.29        2.0984    2   0   2         6
                48.96         36.20        1.8605    0   2   4         6
                53.44         20.80        1.7145    2  -1   6         6
                53.44         17.50        1.7145    1   1   6         6
                56.83          9.68        1.6200    0   1   8         6
                56.91          1.20        1.6179   -1   3   2         6
                61.80         12.99        1.5011    2   1   4         6
                61.80         15.60        1.5011    3  -1   4         6
                63.41         27.21        1.4670    3   0   0         6
                68.72          3.29        1.3660    2   0   8         6
                70.93          8.68        1.3288    1   0  10         6
                71.32          1.62        1.3224    2  -1   9         6
                74.72          5.87        1.2704    2   2   0         6
                79.70          2.42        1.2031   -1   3   8         6
                79.70          2.11        1.2031    1   2   8         6
                81.80          4.30        1.1775    0   2  10         6
                84.01          4.28        1.1520    1   3   4         6
                84.01          3.25        1.1520   -1   4   4         6
                87.52          2.77        1.1146    4  -2   6         6
                87.52          3.18        1.1146    2   2   6         6
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.